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Finding the Fourth Proportional to 234,353.86, 323,408.23 and 126,923.90

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Solution

The fourth proportional to 234,353.86, 323,408.23 and 126,923.90 is: 175,154.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,353.86 : 323,408.23 = 126,923.90 : x
  2. Step 2: Convert to fraction form
    234,353.86/323,408.23 = 126,923.90/x
  3. Step 3: Cross multiply
    234,353.86x = 323,408.23 × 126,923.90
  4. Step 4: Simplify right side
    234,353.86x = 41,048,231,909.35
  5. Step 5: Solve for x
    x = 41,048,231,909.35/234,353.86
  6. Step 6: Final answer
    x = 175,154.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.